moof /muf/exclamation 1noun 1forms 1 exclamation1 •(humorous) Used to indicate the lowing or barking sound of a dogcow or similar chimeric creature.Everyone knew where the hackers were sitting when they started yelling “Moof! moof!” at the screen—“moof” is the sound the LaserWriter Options dogcow makes. — 1998 noun1 •(slang) A bong (vessel for smoking marijuana).What was thought […] to be smoke coming from a badly tuned engine was in reality a pot burning moof! — 2014 formsmoofs